./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e26acfe1cf31c22927dddbe8bb86ce97c7f4fab4905c983e00ec89f406b53a47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:00:04,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:00:04,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 08:00:04,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:00:04,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:00:04,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:00:04,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:00:04,689 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:00:04,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:00:04,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:00:04,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:00:04,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:00:04,699 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:00:04,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:00:04,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:00:04,703 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:00:04,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:00:04,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:00:04,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:00:04,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:00:04,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:00:04,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:00:04,707 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 08:00:04,708 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:00:04,708 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:00:04,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:00:04,709 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:00:04,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:00:04,711 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:00:04,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:00:04,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:04,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:00:04,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:00:04,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:00:04,713 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:00:04,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:00:04,714 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:00:04,714 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:00:04,714 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:00:04,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:00:04,715 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:00:04,715 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e26acfe1cf31c22927dddbe8bb86ce97c7f4fab4905c983e00ec89f406b53a47 [2023-11-19 08:00:05,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:00:05,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:00:05,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:00:05,164 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:00:05,164 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:00:05,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps4.c [2023-11-19 08:00:08,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:00:08,990 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:00:08,990 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/sv-benchmarks/c/recursified_nla-digbench/recursified_ps4.c [2023-11-19 08:00:08,997 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/bin/uautomizer-verify-uCwYo4JHxu/data/5bbfee612/0fdc0fde93d147febf8e3b1dc3cac767/FLAG90d6b4296 [2023-11-19 08:00:09,011 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/bin/uautomizer-verify-uCwYo4JHxu/data/5bbfee612/0fdc0fde93d147febf8e3b1dc3cac767 [2023-11-19 08:00:09,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:00:09,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:00:09,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:09,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:00:09,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:00:09,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:09" (1/1) ... [2023-11-19 08:00:09,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746598ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:09, skipping insertion in model container [2023-11-19 08:00:09,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:09" (1/1) ... [2023-11-19 08:00:09,083 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:00:09,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:09,330 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:00:09,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:09,382 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:00:09,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:09 WrapperNode [2023-11-19 08:00:09,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:09,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:09,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:00:09,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:00:09,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:09" (1/1) ... [2023-11-19 08:00:09,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:09" (1/1) ... [2023-11-19 08:00:09,447 INFO L138 Inliner]: procedures = 16, calls = 70, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 109 [2023-11-19 08:00:09,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:09,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:00:09,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:00:09,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:00:09,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:09" (1/1) ... [2023-11-19 08:00:09,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:09" (1/1) ... [2023-11-19 08:00:09,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:09" (1/1) ... [2023-11-19 08:00:09,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:09" (1/1) ... [2023-11-19 08:00:09,483 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:09" (1/1) ... [2023-11-19 08:00:09,491 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:09" (1/1) ... [2023-11-19 08:00:09,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:09" (1/1) ... [2023-11-19 08:00:09,496 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:09" (1/1) ... [2023-11-19 08:00:09,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:00:09,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:00:09,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:00:09,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:00:09,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:09" (1/1) ... [2023-11-19 08:00:09,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:09,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:09,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:00:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:00:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_25_to_33_0 [2023-11-19 08:00:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_25_to_33_0 [2023-11-19 08:00:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:00:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:00:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:00:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:00:09,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:00:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:00:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 08:00:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 08:00:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:00:09,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:00:09,802 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:00:09,805 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:00:10,621 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:00:10,652 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:00:10,652 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:00:10,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:10 BoogieIcfgContainer [2023-11-19 08:00:10,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:00:10,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:00:10,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:00:10,666 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:00:10,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:09" (1/3) ... [2023-11-19 08:00:10,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5220ba2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:10, skipping insertion in model container [2023-11-19 08:00:10,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:09" (2/3) ... [2023-11-19 08:00:10,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5220ba2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:10, skipping insertion in model container [2023-11-19 08:00:10,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:10" (3/3) ... [2023-11-19 08:00:10,670 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_ps4.c [2023-11-19 08:00:10,694 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:00:10,695 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2023-11-19 08:00:10,759 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:00:10,767 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6dd726d3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:00:10,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2023-11-19 08:00:10,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 77 states have (on average 1.8181818181818181) internal successors, (140), 138 states have internal predecessors, (140), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 08:00:10,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 08:00:10,780 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:10,781 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 08:00:10,781 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting func_to_recursive_line_25_to_33_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_25_to_33_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_25_to_33_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 58 more)] === [2023-11-19 08:00:10,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:10,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1066099455, now seen corresponding path program 1 times [2023-11-19 08:00:10,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:10,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642487797] [2023-11-19 08:00:10,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:10,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:11,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:00:11,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:11,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642487797] [2023-11-19 08:00:11,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642487797] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:11,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:11,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:00:11,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366002770] [2023-11-19 08:00:11,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:11,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:00:11,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:11,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:00:11,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:00:11,747 INFO L87 Difference]: Start difference. First operand has 145 states, 77 states have (on average 1.8181818181818181) internal successors, (140), 138 states have internal predecessors, (140), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:00:12,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:12,265 INFO L93 Difference]: Finished difference Result 400 states and 424 transitions. [2023-11-19 08:00:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:00:12,268 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-19 08:00:12,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:12,281 INFO L225 Difference]: With dead ends: 400 [2023-11-19 08:00:12,282 INFO L226 Difference]: Without dead ends: 250 [2023-11-19 08:00:12,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:00:12,297 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 201 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:12,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 547 Invalid, 191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:00:12,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-11-19 08:00:12,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 167. [2023-11-19 08:00:12,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 99 states have (on average 1.8181818181818181) internal successors, (180), 159 states have internal predecessors, (180), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-19 08:00:12,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 191 transitions. [2023-11-19 08:00:12,376 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 191 transitions. Word has length 6 [2023-11-19 08:00:12,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:12,377 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 191 transitions. [2023-11-19 08:00:12,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:00:12,378 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 191 transitions. [2023-11-19 08:00:12,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 08:00:12,381 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:12,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:12,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:00:12,387 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting func_to_recursive_line_25_to_33_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_25_to_33_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_25_to_33_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 58 more)] === [2023-11-19 08:00:12,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:12,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1975608675, now seen corresponding path program 1 times [2023-11-19 08:00:12,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:12,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291973068] [2023-11-19 08:00:12,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:12,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:12,454 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:12,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [323872971] [2023-11-19 08:00:12,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:12,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:12,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:12,459 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:12,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da62abc5-32cb-44b4-ba58-7d10646d6329/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:00:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:12,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 08:00:12,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:12,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:12,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:12,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:12,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:13,097 INFO L349 Elim1Store]: treesize reduction 188, result has 24.5 percent of original size [2023-11-19 08:00:13,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 130 treesize of output 333 [2023-11-19 08:00:13,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-19 08:00:13,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-19 08:00:13,358 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 08:00:13,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 126 treesize of output 116 [2023-11-19 08:00:13,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 50 [2023-11-19 08:00:13,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 50 [2023-11-19 08:00:13,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 50 [2023-11-19 08:00:16,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:16,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:16,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:16,699 INFO L349 Elim1Store]: treesize reduction 111, result has 24.5 percent of original size [2023-11-19 08:00:16,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 3894 treesize of output 3815 [2023-11-19 08:00:16,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-19 08:00:17,497 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-19 08:00:17,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 11 [2023-11-19 08:00:17,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2023-11-19 08:00:17,668 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-19 08:00:17,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 11 [2023-11-19 08:00:17,825 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-11-19 08:00:17,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 9 [2023-11-19 08:00:18,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2023-11-19 08:00:18,072 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-19 08:00:18,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 11 [2023-11-19 08:00:18,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-19 08:00:18,254 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-11-19 08:00:18,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2023-11-19 08:00:18,282 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-11-19 08:00:18,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2023-11-19 08:00:19,370 INFO L349 Elim1Store]: treesize reduction 444, result has 5.3 percent of original size [2023-11-19 08:00:19,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 176 treesize of output 272 [2023-11-19 08:00:19,952 INFO L349 Elim1Store]: treesize reduction 69, result has 1.4 percent of original size [2023-11-19 08:00:19,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 52 treesize of output 21 [2023-11-19 08:00:19,991 INFO L349 Elim1Store]: treesize reduction 69, result has 1.4 percent of original size [2023-11-19 08:00:19,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 52 treesize of output 21 [2023-11-19 08:00:20,124 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 08:00:20,136 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2023-11-19 08:00:20,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 52 treesize of output 21 [2023-11-19 08:00:20,185 INFO L349 Elim1Store]: treesize reduction 43, result has 2.3 percent of original size [2023-11-19 08:00:20,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 21 [2023-11-19 08:00:20,624 INFO L349 Elim1Store]: treesize reduction 436, result has 7.0 percent of original size [2023-11-19 08:00:20,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 297 [2023-11-19 08:00:22,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:22,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:22,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:22,447 INFO L349 Elim1Store]: treesize reduction 69, result has 1.4 percent of original size [2023-11-19 08:00:22,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1937 treesize of output 1904 [2023-11-19 08:00:22,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:22,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:22,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:22,608 INFO L349 Elim1Store]: treesize reduction 69, result has 1.4 percent of original size [2023-11-19 08:00:22,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1930 treesize of output 1899 [2023-11-19 08:00:22,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:22,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:22,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:22,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:22,891 INFO L349 Elim1Store]: treesize reduction 45, result has 35.7 percent of original size [2023-11-19 08:00:22,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1017 treesize of output 1004 [2023-11-19 08:00:23,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:23,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:23,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:23,286 INFO L349 Elim1Store]: treesize reduction 177, result has 4.8 percent of original size [2023-11-19 08:00:23,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2551 treesize of output 2386 [2023-11-19 08:00:24,375 INFO L349 Elim1Store]: treesize reduction 436, result has 7.0 percent of original size [2023-11-19 08:00:24,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 149 treesize of output 253 [2023-11-19 08:00:24,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:24,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:24,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:24,882 INFO L349 Elim1Store]: treesize reduction 69, result has 1.4 percent of original size [2023-11-19 08:00:24,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 514 treesize of output 483 [2023-11-19 08:00:24,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:24,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:24,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:24,997 INFO L349 Elim1Store]: treesize reduction 69, result has 1.4 percent of original size [2023-11-19 08:00:24,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 521 treesize of output 488 [2023-11-19 08:00:25,135 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 08:00:25,139 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 08:00:25,142 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 08:00:25,153 INFO L349 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2023-11-19 08:00:25,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 44 [2023-11-19 08:00:25,228 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 08:00:25,232 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 08:00:25,235 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 08:00:25,280 INFO L349 Elim1Store]: treesize reduction 176, result has 2.8 percent of original size [2023-11-19 08:00:25,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 75 treesize of output 54 [2023-11-19 08:00:25,964 INFO L349 Elim1Store]: treesize reduction 436, result has 7.0 percent of original size [2023-11-19 08:00:25,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 279 [2023-11-19 08:00:26,114 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 08:00:26,126 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 08:00:26,130 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 08:00:26,132 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 08:00:26,153 INFO L349 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2023-11-19 08:00:26,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 80 treesize of output 49 [2023-11-19 08:00:26,197 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 08:00:26,212 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 08:00:26,216 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 08:00:26,219 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 08:00:26,233 INFO L349 Elim1Store]: treesize reduction 147, result has 0.7 percent of original size [2023-11-19 08:00:26,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 80 treesize of output 49 [2023-11-19 08:00:26,920 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2023-11-19 08:00:26,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 26 [2023-11-19 08:00:26,948 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2023-11-19 08:00:26,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 21 [2023-11-19 08:00:27,421 INFO L349 Elim1Store]: treesize reduction 444, result has 5.3 percent of original size [2023-11-19 08:00:27,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 157 treesize of output 253 [2023-11-19 08:00:28,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:28,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:28,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:28,038 INFO L349 Elim1Store]: treesize reduction 43, result has 2.3 percent of original size [2023-11-19 08:00:28,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 986 treesize of output 955 [2023-11-19 08:00:28,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:28,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:28,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:00:28,108 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2023-11-19 08:00:28,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 514 treesize of output 483